100043234129 has 2 divisors, whose sum is σ = 100043234130. Its totient is φ = 100043234128.

The previous prime is 100043234119. The next prime is 100043234147. The reversal of 100043234129 is 921432340001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63629053504 + 36414180625 = 252248^2 + 190825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100043234129 is a prime.

It is not a weakly prime, because it can be changed into another prime (100043234119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50021617064 + 50021617065.

It is an arithmetic number, because the mean of its divisors is an integer number (50021617065).

Almost surely, 2^100043234129 is an apocalyptic number.

It is an amenable number.

100043234129 is a deficient number, since it is larger than the sum of its proper divisors (1).

100043234129 is an equidigital number, since it uses as much as digits as its factorization.

100043234129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 100043234129 in words is "one hundred billion, forty-three million, two hundred thirty-four thousand, one hundred twenty-nine".